Archive for the ‘Racing Bikes’ Category
August 29, 2011
Filed Under (Racing Bikes) by upendra singh rathore
The balanced geometry is= nearly matching 73.5 73.6 head and seat angles on our 56cm test model, squarish cockpit (55.7cm effective top tube on our 56), and a generous wheelbase and fork offset combine to create a ride feel our most race-oriented tester termed “slightly sluggish.” For the bike’s intended customer, that’s a positive. HILLS:Given the proven performance of compact double chainrings, we thought the 1.2’s 50/39/30 triple chainring would be a demerit–triples add weight and, in general, can be more finicky to shift. But for this bike’s ideal rider, the extra gearing proved beneficial.
May 21, 2010
Filed Under (Racing Bikes) by upendra singh rathore
May 09, 2010
Filed Under (Racing Bikes) by upendra singh rathore
Engine Type Longitudinal Twin
April 27, 2010
Filed Under (Racing Bikes) by upendra singh rathore
April 17, 2010
Filed Under (Racing Bikes) by upendra singh rathore
BMX started in the early 1970s when children began racing their bicycles on dirt tracks in southern California, drawing inspiration from the motocross superstars of the time. The size and availability of the Schwinn Sting-Ray made it the natural bike of choice, since they were easily customized for better handling and performance. BMX racing was a phenomenon by the mid-1970s. Children were racing standard road bikes off-road, around purpose-built tracks in [California]. The 1972 motorcycle racing documentary On Any Sunday is generally credited with inspiring the movement nationally in the US; its opening scene shows kids riding their Schwinn Stingrays off-road. By the middle of that decade the sport achieved critical mass, and manufacturers began creating bicycles designed especially for the sport.BMX Freestyle is now one of the staple events at the annual Summer X Games Extreme Sports competition and the ETNIES backyard jam, held largely on both coasts of the United States. The popularity of the sport has increased due to its relative ease and availability of plg, China. At the games, Latvian Māris Štrombergs and Anne-Caroline Chausson of France were crowned the first Olympic champions in Mens and Women’s BMX Racing, respectively.
April 17, 2010
Filed Under (Racing Bikes) by upendra singh rathore
BMX bicycles are available several distinct model types
December 08, 2009
Filed Under (Racing Bikes, Yamaha) by rohanbhargava
The new YZF-R125 Team Yamaha Race Replica features Born from the supersport DNA of the R-series, the YZF-R125 has R-series style and attitude. Its free-revving, liquid-cooled 4-stroke engine is fuel injected for near-instant throttle response, while a 6-speed gearbox lets you keep it in the power band. A lightweight Deltabox frame linked to a cast aluminium swinging-arm delivers class-leading handling. And, because it’s full-sized, the R125 provides a comfortable riding position. Technical overview Engine - Chassis - Dimensions -
December 06, 2009
Filed Under (Racing Bikes, Yamaha) by rohanbhargava
Technical Specifications Engine Engine type: Liquid cooled Crossplane crankshaft inline four-cylinder, four stroke Transmission Chassis and running gear
December 06, 2009
Filed Under (Racing Bikes, Yamaha) by rohanbhargava
November 30, 2009
Filed Under (Racing Bikes) by upendra singh rathore
The first mountain biking world cup series took place in 1991. Its nine-race circuit covered two continents—Europe and North America—and was sponsored by Grundig.In 2006, cross-country mountain biking events became part of the World Deaf Cycling Championships for the first time in San Francisco, USA. There are many types of mountain bike racing- Freeride - Freeride (FR) competitions are not so much a race as they are a competition of skill. Downhill- Downhill (DH) racing is a time trial event. Riders start at intervals that can vary from 30 seconds to three minutes-depending on the stage of the competition – and the rider with the lowest time wins. Cross-country -Cross-country (XCO) racing is held on a varied terrain circuit, it is normally around 6-8 kilometers (km) and is always a massed-start race. In this type of race elite, U23, and Junior Expert riders at UCI sanctioned races, are allowed technical assistance.riders in the same team can help each other at any point in the race. Super D – Super D (SD) is a blend of cross-country and downhill. Most of the race is downhill, on trails similar to the downhill segment of a cross-country race. There are also short (100–500 m) uphill sections which make the use of downhill bicycles difficult, as a result, most riders use cross-country or ‘trail bikes’. Dual Slalom/Dual – Dual Slalom (DS) is a ski-inspired event which pits two riders against each other on two identical man-made tracks side-by-side with the same jumps and berms, with a rider on each track, and the first across the line wins. Four cross -4X also replaced Dual in the UCI World Cup series in 2002. Inspired by the dual format and by BMX racing, this event pits four riders on the same course from starting gates to finish. There can only be one winner per event, so the races can quickly eliminate riders making the progression faster for a day’s events. Enduro – Enduro (ND) is a relatively new development that has its roots in Marathon mountain biking.Only one member of the team can be on the course at any one time, and it is a competition not to finish first, but to complete the greatest number of laps before the end of the event. Bike trials - Slow negotiation of man-made and natural obstacles where setting a foot down constitutes a penalty. Dirt jumping – Dirt jumping (DJ), similar to freeride, it is a competition of skill, differing that it involves the rider to jump off mounds of dirt to perform the best tricks with the best style. Stage Races – Stage Races consist of several races – ’stages’ – ridden consecutively, usually over a period of several days.
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A BMX bike or BMX is the name of a popular bicycle which is used for both casual use and sport.BMX bike frames are made of various types of steel, and (largely in the racing category) aluminum. Cheaper, low end bikes are usually made of steel. Mid range bikes are mostly chromoly or hi tensile steel, which are about the same in weight and strength. High-performance BMX bikes use 4130 chromoly, or generation 3 chromoly.BMX Racing bike wheels vary in size, from 18″ to 26″ (with 20″ being the most popular).As a form of leisure activity or sport BMX has become popular. Enthusiastic people, especially children and teenagers will often attend BMX and skate parks and centres and sometimes compete in organised competitions. One form of BMX biking is Freestyle BMX.
The technology and design of the bike is focused on providing maximum performance at the circuit.Other important technical features making a significant contribution to the performance of both the road and race bikes are the crank and pistons. These are two more areas where the racers must remain absolutely standard. But there’s much more to the YZF-R6 than its engine.The massive air induction system is another M1-derived feature, going straight through the machine’s headstock and using the inside of the frame as the air cleaner box. OverviewTechnical Specifications Engine Engine type: Liquid cooled, 4-stroke, forward inclined, parallel 4-cylinder, 16-valves, DOHC Bore and Stroke: 67.0mm x 42.5mm Displacement: 599cc Carburation: Electronic fuel injection Maximum power: Over 145ps Transmission Type: 6-speed Primary drive: Gear Clutch: Wet, multiple-disc coil spring Final drive: Chain Chassis and running gear Frame type: Aluminium die-cast Deltabox Wheelbase: 1380mm Front suspension: Fully-adjustable Öhlins inverted forks, 43mm Rear suspension: Braced aluminium swingarm with single Ohlins shock and rising-rate linkage Front/rear wheels: 120/70 16.5 inch front, 180/55 16.5 inch rear Front/rear tyres: 17.0 inch front, 17.0 inch rear, available as treaded and wet tyres Front brake: Dual floating discs, Ø 310mm Rear Brake: Single disc, Ø 210mm Weight: 158 kg (in accordance with FIM regulations) Fuel capacity: 17.3 litres
